78840388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{25237}}^1$

素因数の和:25323

約数の個数: 24

約数和(自身を含む): 152639424

約数和(自身を除く): 73799036

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 25237, 50474, 100948, 277607, 555214, 1110428, 1791827, 3583654, 7167308, 19710097, 39420194, 78840388]

約数ペア:

[(1, 78840388), (2, 39420194), (4, 19710097), (11, 7167308), (22, 3583654), (44, 1791827), (71, 1110428), (142, 555214), (284, 277607), (781, 100948), (1562, 50474), (3124, 25237)]